If you choose to buy Viagra from an online pharmacy, there are a few things you should keep in mind. First, only use reputable pharmacies that require a valid prescription from a licensed physician. Second, be sure to read the terms of service and privacy policy before making your purchase. Finally, always pay by credit card so that you have protection against fraud. If you opt for mail-order delivery of your Viagra prescription, be sure to use a reputable company that offers tracking information and delivery confirmation. Also, make sure the company requires a valid prescription from a licensed